ACT 12/10

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Across
  1. 2. an explanation based on knowledge
  2. 5. a possible answer or solution to a problem
  3. 8. the variable that is changed by the scientist
  4. 9. a factor that does not change
  5. 10. steps of investigation
  6. 12. a quantity that can have more than a single value
Down
  1. 1. changes according to changes in the independent variable
  2. 3. a statement about what happens in nature and seems to be true all the time
  3. 4. tests the effect of one thing on another
  4. 6. represents and idea, event or object
  5. 7. the general pattern shown in a graph or table
  6. 11. the standard by which test results can be compared
  7. 13. a scientist’s opinion affects the results